{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:39.004294", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2010-Sep-21_to_2010-Sep-27_106.5_-6.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2010090000942}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "September 21 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 27 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 129153.58674396263}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Java Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -6.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.25, -5.5], [105.47, -4.97], [105.82, -4.82], [105.97, -4.47], [106.32, -4.32], [106.47, -3.97], [107.0, -3.75], [107.25, -3.85], [107.5, -3.75], [108.03, -3.97], [108.25, -4.5], [108.15, -4.75], [108.25, -5.0], [108.15, -5.25], [108.25, -5.5], [108.13, -5.8], [108.53, -5.97], [108.75, -6.5], [108.53, -7.03], [108.0, -7.25], [107.75, -7.15], [107.5, -7.25], [106.97, -7.03], [106.8, -6.63], [106.5, -6.75], [105.97, -6.53], [105.82, -6.18], [105.47, -6.03], [105.25, -5.5]]]]}, "2010-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.97, -4.97], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [111.03, -4.97], [111.18, -5.32], [111.25, -5.35], [111.5, -5.25], [111.75, -5.35], [112.0, -5.25], [112.53, -5.47], [112.68, -5.82], [112.75, -5.85], [113.0, -5.75], [113.53, -5.97], [113.68, -6.32], [113.75, -6.35], [114.0, -6.25], [114.53, -6.47], [114.75, -7.0], [114.53, -7.53], [114.0, -7.75], [113.75, -7.65], [113.5, -7.75], [113.25, -7.65], [113.0, -7.75], [112.47, -7.53], [112.32, -7.18], [112.25, -7.15], [112.0, -7.25], [111.47, -7.03], [111.32, -6.68], [111.25, -6.65], [111.18, -6.68], [111.15, -6.75], [111.25, -7.0], [111.03, -7.53], [110.5, -7.75], [109.97, -7.53], [109.75, -7.0], [109.85, -6.75], [109.82, -6.68], [109.75, -6.65], [109.5, -6.75], [108.97, -6.53], [108.75, -6.0], [108.85, -5.75], [108.75, -5.5], [108.97, -4.97]]], [[[105.47, -4.97], [105.82, -4.82], [105.97, -4.47], [106.32, -4.32], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [108.03, -3.47], [108.25, -4.0], [108.15, -4.25], [108.25, -4.5], [108.15, -4.75], [108.18, -4.82], [108.53, -4.97], [108.75, -5.5], [108.65, -5.75], [108.75, -6.0], [108.65, -6.25], [108.75, -6.5], [108.53, -7.03], [108.0, -7.25], [107.75, -7.15], [107.5, -7.25], [106.97, -7.03], [106.82, -6.68], [106.75, -6.65], [106.5, -6.75], [105.97, -6.53], [105.82, -6.18], [105.47, -6.03], [105.25, -5.5], [105.47, -4.97]]]]}, "2010-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.25, -5.5], [105.47, -4.97], [105.82, -4.82], [105.97, -4.47], [106.32, -4.32], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [108.03, -3.47], [108.18, -3.82], [108.53, -3.97], [108.68, -4.32], [109.03, -4.47], [109.18, -4.82], [109.25, -4.85], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [111.03, -4.97], [111.18, -5.32], [111.25, -5.35], [111.5, -5.25], [111.75, -5.35], [112.0, -5.25], [112.25, -5.35], [112.5, -5.25], [113.03, -5.47], [113.18, -5.82], [113.53, -5.97], [113.68, -6.32], [113.75, -6.35], [114.0, -6.25], [114.53, -6.47], [114.75, -7.0], [114.53, -7.53], [114.0, -7.75], [113.75, -7.65], [113.5, -7.75], [113.25, -7.65], [113.0, -7.75], [112.47, -7.53], [112.32, -7.18], [112.25, -7.15], [112.0, -7.25], [111.75, -7.15], [111.5, -7.25], [111.2, -7.13], [111.03, -7.53], [110.5, -7.75], [109.97, -7.53], [109.75, -7.0], [109.85, -6.75], [109.82, -6.68], [109.75, -6.65], [109.5, -6.75], [109.25, -6.65], [109.0, -6.75], [108.7, -6.63], [108.53, -7.03], [108.0, -7.25], [107.75, -7.15], [107.5, -7.25], [106.97, -7.03], [106.82, -6.68], [106.75, -6.65], [106.5, -6.75], [105.97, -6.53], [105.82, -6.18], [105.47, -6.03], [105.25, -5.5]]]]}, "2010-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.97, -4.47], [106.32, -4.32], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [108.03, -3.47], [108.18, -3.82], [108.53, -3.97], [108.68, -4.32], [109.03, -4.47], [109.18, -4.82], [109.25, -4.85], [109.5, -4.75], [109.75, -4.85], [110.0, -4.75], [110.25, -4.85], [110.5, -4.75], [111.03, -4.97], [111.18, -5.32], [111.25, -5.35], [111.5, -5.25], [111.75, -5.35], [112.0, -5.25], [112.25, -5.35], [112.5, -5.25], [113.03, -5.47], [113.18, -5.82], [113.53, -5.97], [113.68, -6.32], [113.75, -6.35], [114.0, -6.25], [114.53, -6.47], [114.75, -7.0], [114.53, -7.53], [114.0, -7.75], [113.75, -7.65], [113.5, -7.75], [113.25, -7.65], [113.0, -7.75], [112.47, -7.53], [112.32, -7.18], [112.25, -7.15], [112.0, -7.25], [111.75, -7.15], [111.5, -7.25], [111.2, -7.13], [111.03, -7.53], [110.5, -7.75], [109.97, -7.53], [109.75, -7.0], [109.85, -6.75], [109.82, -6.68], [109.75, -6.65], [109.5, -6.75], [109.25, -6.65], [109.0, -6.75], [108.7, -6.63], [108.53, -7.03], [108.0, -7.25], [107.47, -7.03], [107.32, -6.68], [107.25, -6.65], [107.0, -6.75], [106.47, -6.53], [106.32, -6.18], [105.97, -6.03], [105.75, -5.5], [105.85, -5.25], [105.75, -5.0], [105.97, -4.47]]]]}, "2010-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.85, -5.25], [105.75, -5.0], [105.97, -4.47], [106.32, -4.32], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [108.03, -3.47], [108.18, -3.82], [108.53, -3.97], [108.68, -4.32], [109.03, -4.47], [109.18, -4.82], [109.53, -4.97], [109.68, -5.32], [109.75, -5.35], [110.0, -5.25], [110.25, -5.35], [110.5, -5.25], [111.03, -5.47], [111.2, -5.87], [111.5, -5.75], [111.75, -5.85], [111.82, -5.82], [111.97, -5.47], [112.5, -5.25], [113.03, -5.47], [113.25, -6.0], [113.15, -6.25], [113.18, -6.32], [113.53, -6.47], [113.75, -7.0], [113.53, -7.53], [113.0, -7.75], [112.47, -7.53], [112.32, -7.18], [112.25, -7.15], [112.0, -7.25], [111.75, -7.15], [111.5, -7.25], [111.2, -7.13], [111.03, -7.53], [110.5, -7.75], [109.97, -7.53], [109.75, -7.0], [109.85, -6.75], [109.82, -6.68], [109.75, -6.65], [109.5, -6.75], [109.25, -6.65], [109.0, -6.75], [108.7, -6.63], [108.53, -7.03], [108.0, -7.25], [107.47, -7.03], [107.32, -6.68], [107.25, -6.65], [107.0, -6.75], [106.75, -6.65], [106.5, -6.75], [105.97, -6.53], [105.75, -6.0], [105.85, -5.75], [105.75, -5.5], [105.85, -5.25]]]]}, "2010-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.5, -5.25], [107.03, -5.47], [107.25, -6.0], [107.03, -6.53], [106.5, -6.75], [105.97, -6.53], [105.75, -6.0], [105.97, -5.47], [106.5, -5.25]]]]}, "2010-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.5, -5.25], [107.03, -5.47], [107.25, -6.0], [107.03, -6.53], [106.5, -6.75], [105.97, -6.53], [105.75, -6.0], [105.97, -5.47], [106.5, -5.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.9467053301515875}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.8604169383253971}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.785732893619127, 26.70946244248279, 26.662163974026896, 26.54143944144255, 26.546211731926576, 27.322919250945176, 27.041265016615455]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.12401867171593, 25.811970662029466, 26.141026587459635, 26.175278639998965, 26.169924296153738, 27.322919250945176, 27.041265016615455]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8234310137722313, -0.8056335803058767, -0.8145228129879835, -0.9054411814593692, -0.923792274340762, -0.977505628273093, -1.2567658811495335]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.3747413986064885, -1.8782182597633437, -1.7944315419688905, -1.4030421852550035, -1.9467053301515875, -0.977505628273093, -1.2567658811495335]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6691963319415999, -1.6873631740982369, -1.7433027453757342, -1.9964637892408148, -1.9476286610246853, -1.4986096291101616, -1.9449676770794406]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9380880014903, -2.6157385168473475, -2.2734884535458733, -2.9892706066358503, -2.8315677817347975, -1.4986096291101616, -1.9449676770794406]}}